Four-wheeled pushcart



FIG. 1 is a perspective view of a four-wheeled pushcart with the front wheels turning to the right, showing my new design;

FIG. 2 is a side elevational view of a four-wheeled pushcart with the rear wheels on the left and the front wheels on the right, showing my new design;

FIG. 3 is a side elevational view of a four-wheeled pushcart with the rear wheels on the right and the front wheels on the left, showing my new design;

FIG. 4 is a front elevational perspective view thereof, showing my new design;

FIG. 5 is a rear elevational perspective view thereof, showing my new design;

FIG. 6 is a top perspective view of a four-wheeled pushcart thereof, showing my new design; and,

FIG. 7 is a bottom perspective view of a four-wheeled pushcart thereof, showing my new design. 

The ornamental design for a four-wheeled pushcart, as shown and described. 